81228480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:654

約数の個数: 112

約数和(自身を含む): 259835904

約数和(自身を除く): 178607424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 191, 192, 240, 320, 382, 443, 480, 573, 764, 886, 955, 960, 1146, 1329, 1528, 1772, 1910, 2215, 2292, 2658, 2865, 3056, 3544, 3820, 4430, 4584, 5316, 5730, 6112, 6645, 7088, 7640, 8860, 9168, 10632, 11460, 12224, 13290, 14176, 15280, 17720, 18336, 21264, 22920, 26580, 28352, 30560, 35440, 36672, 42528, 45840, 53160, 61120, 70880, 84613, 85056, 91680, 106320, 141760, 169226, 183360, 212640, 253839, 338452, 423065, 425280, 507678, 676904, 846130, 1015356, 1269195, 1353808, 1692260, 2030712, 2538390, 2707616, 3384520, 4061424, 5076780, 5415232, 6769040, 8122848, 10153560, 13538080, 16245696, 20307120, 27076160, 40614240, 81228480]

約数ペア:

[(1, 81228480), (2, 40614240), (3, 27076160), (4, 20307120), (5, 16245696), (6, 13538080), (8, 10153560), (10, 8122848), (12, 6769040), (15, 5415232), (16, 5076780), (20, 4061424), (24, 3384520), (30, 2707616), (32, 2538390), (40, 2030712), (48, 1692260), (60, 1353808), (64, 1269195), (80, 1015356), (96, 846130), (120, 676904), (160, 507678), (191, 425280), (192, 423065), (240, 338452), (320, 253839), (382, 212640), (443, 183360), (480, 169226), (573, 141760), (764, 106320), (886, 91680), (955, 85056), (960, 84613), (1146, 70880), (1329, 61120), (1528, 53160), (1772, 45840), (1910, 42528), (2215, 36672), (2292, 35440), (2658, 30560), (2865, 28352), (3056, 26580), (3544, 22920), (3820, 21264), (4430, 18336), (4584, 17720), (5316, 15280), (5730, 14176), (6112, 13290), (6645, 12224), (7088, 11460), (7640, 10632), (8860, 9168)]